title: On tracheal compression by achalasia.
authors.forename: R W
authors.initials: RW
authors.lastname: Newcomb
authors.forename: J
authors.initials: J
authors.lastname: Akhter
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D004931:Esophageal Achalasia / Q000150:complications*; D006801:Humans; D014132:Trachea / Q000503:physiopathology*